A210085 Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, three or four distinct values, and new values 0..3 introduced in row major order

13937206, 92588511903, 598825420604059, 3881469256766776348, 25153548261434310770809, 163009108891704227787040790, 1056388250136945583891331683046, 6845975651362441794060215966486134

Offset

1,1

Comments

Column 7 of A210086

Links

R. H. Hardin, Table of n, a(n) for n = 1..145

Example

Some solutions for n=4
..0..0..0..1..0..0..0..1....0..0..0..1..2..3..2..0....0..1..0..2..1..3..0..3
..0..0..0..2..1..2..3..0....1..2..1..2..3..0..2..1....1..2..2..1..0..3..1..3
..1..3..1..3..1..0..3..1....3..3..1..3..0..2..3..1....3..3..0..1..3..1..0..0
..3..2..1..0..2..2..2..2....2..0..0..1..0..3..0..0....0..1..0..2..0..1..2..3
..3..0..2..3..1..3..0..1....1..3..2..0..2..0..1..2....0..2..1..1..1..3..2..0

Crossrefs

Sequence in context: A324262 A321364 A116148 * A251521 A242981 A210133

Adjacent sequences: A210082 A210083 A210084 * A210086 A210087 A210088

Keyword

nonn

Author

R. H. Hardin Mar 17 2012

Status

approved